leon5ch 发表于 2021-5-19 14:50 
在同等利率下(利率为正),不管是PV,还是30年后的fv,每周存500存15年都比每周存250存30年数值高。就好 ...
我实在不知道你这两个怎么做到"就好比"?
同样的面值100元10年后的价值当然比29年后高, 这没毛病.
但是你怎么算出的每周500存15年要比每周250存30年高?
反正我是算不出来:
| FV | NFV | Rate | 3% | | | | Save | 500/w | 250/w | 500/w | 250/w | | 26000/y | 13000/y | 26000/y | 13000/y | 1 | 26,000.00 | 13,000.00 | 0.00 | 0.00 | 2 | 52,780.00 | 26,390.00 | 780.00 | 390.00 | 3 | 80,363.40 | 40,181.70 | 2,363.40 | 1,181.70 | 4 | 108,774.30 | 54,387.15 | 4,774.30 | 2,387.15 | 5 | 138,037.53 | 69,018.77 | 8,037.53 | 4,018.77 | 6 | 168,178.66 | 84,089.33 | 12,178.66 | 6,089.33 | 7 | 199,224.02 | 99,612.01 | 17,224.02 | 8,612.01 | 8 | 231,200.74 | 115,600.37 | 23,200.74 | 11,600.37 | 9 | 264,136.76 | 132,068.38 | 30,136.76 | 15,068.38 | 10 | 298,060.86 | 149,030.43 | 38,060.86 | 19,030.43 | 11 | 333,002.69 | 166,501.34 | 47,002.69 | 23,501.34 | 12 | 368,992.77 | 184,496.38 | 56,992.77 | 28,496.38 | 13 | 406,062.55 | 203,031.28 | 68,062.55 | 34,031.28 | 14 | 444,244.43 | 222,122.21 | 80,244.43 | 40,122.21 | 15 | 483,571.76 | 241,785.88 | 93,571.76 | 46,785.88 | 16 | 524,078.91 | 262,039.46 | 108,078.91 | 54,039.46 | 17 | | 282,900.64 | | 61,900.64 | 18 | | 304,387.66 | | 70,387.66 | 19 | | 326,519.29 | | 79,519.29 | 20 | | 349,314.87 | | 89,314.87 | 21 | | 372,794.31 | | 99,794.31 | 22 | | 396,978.14 | | 110,978.14 | 23 | | 421,887.49 | | 122,887.49 | 24 | | 447,544.11 | | 135,544.11 | 25 | | 473,970.44 | | 148,970.44 | 26 | | 501,189.55 | | 163,189.55 | 27 | | 529,225.24 | | 178,225.24 | 28 | | 558,101.99 | | 194,101.99 | 29 | | 587,845.05 | | 210,845.05 | 30 | | 618,480.40 | | 228,480.40 | 31 | | 650,034.82 | | 247,034.82 |
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